Deleted OS_WIN and all Windows specific files from base.

base/debug/debugger_unittest.cc

Index: base/debug/debugger_unittest.cc
diff --git a/base/debug/debugger_unittest.cc b/base/debug/debugger_unittest.cc
index 0a5a0390e8ae85af030b4a47183297b943133505..3cba0c079e75411d2995869cdf069d608dd382ce 100644
--- a/base/debug/debugger_unittest.cc
+++ b/base/debug/debugger_unittest.cc
@@ -14,10 +14,6 @@ void CrashWithBreakDebugger() {
   base::debug::SetSuppressDebugUI(false);
   base::debug::BreakDebugger();
 
-#if defined(OS_WIN)
-  // This should not be executed.
-  _exit(125);
-#endif
 }
 #endif  // defined(GTEST_HAS_DEATH_TEST)
 
@@ -30,13 +26,6 @@ TEST(Debugger, CrashAtBreakpoint) {
   EXPECT_DEATH(CrashWithBreakDebugger(), "");
 }
 
-#if defined(OS_WIN)
-TEST(Debugger, DoesntExecuteBeyondBreakpoint) {
-  EXPECT_EXIT(CrashWithBreakDebugger(),
-              ::testing::ExitedWithCode(0x80000003), "");
-}
-#endif  // defined(OS_WIN)
-
 #else  // defined(GTEST_HAS_DEATH_TEST) && !defined(OS_ANDROID)
 TEST(Debugger, NoTest) {
 }